document.write( "Question 762281: A family has two cars. During one particular week, the first car consumed 20 gallons of gas and the second consumed 25 gallons of gas. The two cars drove a combined total of 1375 miles, and the sum of their fuel efficiencies was 60 miles per gallon. What were the fuel efficiencies of each of the cars that week\r
\n" );
document.write( "\n" );
document.write( "First car = how many gallons?
\n" );
document.write( "Second car = how many gallons? \n" );
document.write( "
Algebra.Com's Answer #527892 by prekteacherlisa(1)![]() ![]() You can put this solution on YOUR website! x+y = 60 \n" ); document.write( "20x + 25y=1375 \n" ); document.write( "25x +25y=1500 \n" ); document.write( "5x=125 \n" ); document.write( "x=25 car 1\r \n" ); document.write( "\n" ); document.write( "25 + y=60 \n" ); document.write( "y=60-25 \n" ); document.write( "y=35 car 2 \n" ); document.write( " |